Home / 13,334.40-19,982.82-10,202.28

Finding the Fourth Proportional to 13,334.40, 19,982.82 and 10,202.28

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Solution

The fourth proportional to 13,334.40, 19,982.82 and 10,202.28 is: 15,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.40 : 19,982.82 = 10,202.28 : x
  2. Step 2: Convert to fraction form
    13,334.40/19,982.82 = 10,202.28/x
  3. Step 3: Cross multiply
    13,334.40x = 19,982.82 × 10,202.28
  4. Step 4: Simplify right side
    13,334.40x = 203,870,324.83
  5. Step 5: Solve for x
    x = 203,870,324.83/13,334.40
  6. Step 6: Final answer
    x = 15,289.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.